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indent halftone.c

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This commit is contained in:
Bill Kendrick 2017-10-15 11:47:04 -07:00
parent fb1e2a092d
commit 3bfbc3e741
1 changed files with 167 additions and 149 deletions
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114
magic/src/halftone.c
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@ -16,7 +16,8 @@
#include "SDL_image.h" #include "SDL_image.h"
#include "SDL_mixer.h" #include "SDL_mixer.h"
enum { enum
{
TOOL_HALFTONE, TOOL_HALFTONE,
NUM_TOOLS NUM_TOOLS
}; };
@ -45,11 +46,8 @@ static SDL_Surface * canvas_backup, * square;
/* Function Prototypes: */ /* Function Prototypes: */
void halftone_drag(magic_api * api, int which, SDL_Surface * canvas, void halftone_drag(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * snapshot, int ox, int oy, int x, int y, SDL_Surface * snapshot, int ox, int oy, int x, int y, SDL_Rect * update_rect);
SDL_Rect * update_rect); void halftone_line_callback(void *ptr, int which, SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y);
void halftone_line_callback(void * ptr, int which,
SDL_Surface * canvas, SDL_Surface * snapshot,
int x, int y);
Uint32 halftone_api_version(void); Uint32 halftone_api_version(void);
int halftone_init(magic_api * api); int halftone_init(magic_api * api);
int halftone_get_tool_count(magic_api * api); int halftone_get_tool_count(magic_api * api);
@ -60,11 +58,9 @@ int halftone_requires_colors(magic_api * api, int which);
int halftone_modes(magic_api * api, int which); int halftone_modes(magic_api * api, int which);
void halftone_shutdown(magic_api * api); void halftone_shutdown(magic_api * api);
void halftone_click(magic_api * api, int which, int mode, void halftone_click(magic_api * api, int which, int mode,
SDL_Surface * canvas, SDL_Surface * snapshot, SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect);
int x, int y, SDL_Rect * update_rect);
void halftone_release(magic_api * api, int which, void halftone_release(magic_api * api, int which,
SDL_Surface * canvas, SDL_Surface * snapshot, SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect);
int x, int y, SDL_Rect * update_rect);
void halftone_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b); void halftone_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b);
void halftone_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas); void halftone_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas);
void halftone_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas); void halftone_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas);
@ -85,12 +81,11 @@ int halftone_init(magic_api * api)
for (i = 0; i < NUM_TOOLS; i++) for (i = 0; i < NUM_TOOLS; i++)
{ {
snprintf(fname, sizeof(fname), snprintf(fname, sizeof(fname), "%s/sounds/magic/%s", api->data_directory, snd_filenames[i]);
"%s/sounds/magic/%s",
api->data_directory, snd_filenames[i]);
snd_effect[i] = Mix_LoadWAV(fname); snd_effect[i] = Mix_LoadWAV(fname);
if (snd_effect[i] == NULL) { if (snd_effect[i] == NULL)
{
SDL_FreeSurface(canvas_backup); SDL_FreeSurface(canvas_backup);
SDL_FreeSurface(square); SDL_FreeSurface(square);
return (0); return (0);
@ -110,8 +105,7 @@ SDL_Surface * halftone_get_icon(magic_api * api, int which)
{ {
char fname[1024]; char fname[1024];
snprintf(fname, sizeof(fname), "%s/images/magic/%s", snprintf(fname, sizeof(fname), "%s/images/magic/%s", api->data_directory, icon_filenames[which]);
api->data_directory, icon_filenames[which]);
return (IMG_Load(fname)); return (IMG_Load(fname));
} }
@ -160,33 +154,42 @@ void halftone_shutdown(magic_api * api ATTRIBUTE_UNUSED)
} }
void halftone_click(magic_api * api, int which, int mode ATTRIBUTE_UNUSED, void halftone_click(magic_api * api, int which, int mode ATTRIBUTE_UNUSED,
SDL_Surface * canvas, SDL_Surface * snapshot, SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect)
int x, int y, SDL_Rect * update_rect)
{ {
halftone_drag(api, which, canvas, snapshot, x, y, x, y, update_rect); halftone_drag(api, which, canvas, snapshot, x, y, x, y, update_rect);
} }
void halftone_drag(magic_api * api, int which, SDL_Surface * canvas, void halftone_drag(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * snapshot, int ox, int oy, int x, int y, SDL_Surface * snapshot, int ox, int oy, int x, int y, SDL_Rect * update_rect)
SDL_Rect * update_rect)
{ {
api->line((void *) api, which, canvas, snapshot, api->line((void *)api, which, canvas, snapshot, ox, oy, x, y, 4, halftone_line_callback);
ox, oy, x, y, 4, halftone_line_callback);
if (ox > x) { int tmp = ox; ox = x; x = tmp; } if (ox > x)
if (oy > y) { int tmp = oy; oy = y; y = tmp; } {
int tmp = ox;
ox = x;
x = tmp;
}
if (oy > y)
{
int tmp = oy;
oy = y;
y = tmp;
}
update_rect->x = ox - 16; update_rect->x = ox - 16;
update_rect->y = oy - 16; update_rect->y = oy - 16;
update_rect->w = (x + 16) - update_rect->x; update_rect->w = (x + 16) - update_rect->x;
update_rect->h = (y + 16) - update_rect->h; update_rect->h = (y + 16) - update_rect->h;
api->playsound(snd_effect[which], api->playsound(snd_effect[which], (x * 255) / canvas->w, // pan
(x * 255) / canvas->w, // pan
255); // distance 255); // distance
} }
enum { enum
{
CHAN_CYAN, CHAN_CYAN,
CHAN_MAGENTA, CHAN_MAGENTA,
CHAN_YELLOW, CHAN_YELLOW,
@ -210,9 +213,7 @@ int chan_angles[NUM_CHANS] = {
void halftone_release(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, void halftone_release(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED, SDL_Surface * snapshot ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED, SDL_Surface * snapshot ATTRIBUTE_UNUSED,
int x ATTRIBUTE_UNUSED, int y ATTRIBUTE_UNUSED, int x ATTRIBUTE_UNUSED, int y ATTRIBUTE_UNUSED, SDL_Rect * update_rect ATTRIBUTE_UNUSED)
SDL_Rect * update_rect ATTRIBUTE_UNUSED)
{ {
} }
@ -222,8 +223,7 @@ void halftone_set_color(magic_api * api ATTRIBUTE_UNUSED, Uint8 r ATTRIBUTE_UNUS
} }
void halftone_line_callback(void *ptr, int which ATTRIBUTE_UNUSED, void halftone_line_callback(void *ptr, int which ATTRIBUTE_UNUSED,
SDL_Surface * canvas, SDL_Surface * snapshot ATTRIBUTE_UNUSED, SDL_Surface * canvas, SDL_Surface * snapshot ATTRIBUTE_UNUSED, int x, int y)
int x, int y)
{ {
Uint8 r, g, b, or, og, ob; Uint8 r, g, b, or, og, ob;
Uint32 total_r, total_g, total_b; Uint32 total_r, total_g, total_b;
@ -240,15 +240,23 @@ void halftone_line_callback(void * ptr, int which ATTRIBUTE_UNUSED,
x = ((x / 8) - 1) * 8; x = ((x / 8) - 1) * 8;
y = ((y / 8) - 1) * 8; y = ((y / 8) - 1) * 8;
if (api->touched(x, y)) { return; } if (api->touched(x, y))
{
return;
}
for (xx = 0; xx < 16; xx = xx + 4) { for (xx = 0; xx < 16; xx = xx + 4)
for (yy = 0; yy < 16; yy = yy + 4) { {
for (yy = 0; yy < 16; yy = yy + 4)
{
/* Get avg color around the mouse */ /* Get avg color around the mouse */
total_r = total_g = total_b = 0; total_r = total_g = total_b = 0;
for (xxx = 0; xxx < 4; xxx++) { for (xxx = 0; xxx < 4; xxx++)
for (yyy = 0; yyy < 4; yyy++) { {
SDL_GetRGB(api->getpixel(canvas_backup, x + xx + xxx, y + yy + yyy), canvas_backup->format, &r, &g, &b); for (yyy = 0; yyy < 4; yyy++)
{
SDL_GetRGB(api->getpixel(canvas_backup, x + xx + xxx, y + yy + yyy), canvas_backup->format, &r, &g,
&b);
total_r += r; total_r += r;
total_g += g; total_g += g;
total_b += b; total_b += b;
@ -262,13 +270,16 @@ void halftone_line_callback(void * ptr, int which ATTRIBUTE_UNUSED,
halftone_rgb2cmyk(total_r, total_g, total_b, cmyk); halftone_rgb2cmyk(total_r, total_g, total_b, cmyk);
/* Draw C, M, Y and K blobs into our 'square' surface */ /* Draw C, M, Y and K blobs into our 'square' surface */
for (channel = 0; channel < NUM_CHANS; channel++) { for (channel = 0; channel < NUM_CHANS; channel++)
{
r = chan_colors[channel][0]; r = chan_colors[channel][0];
g = chan_colors[channel][1]; g = chan_colors[channel][1];
b = chan_colors[channel][2]; b = chan_colors[channel][2];
for (xxx = 0; xxx < 8; xxx++) { for (xxx = 0; xxx < 8; xxx++)
for (yyy = 0; yyy < 8; yyy++) { {
for (yyy = 0; yyy < 8; yyy++)
{
/* A circle blob, radius based upon channel (C, M, Y or K) strength for this color */ /* A circle blob, radius based upon channel (C, M, Y or K) strength for this color */
/* FIXME: Base it upon this channel's angle! -bjk 2011.07.17 */ /* FIXME: Base it upon this channel's angle! -bjk 2011.07.17 */
@ -278,13 +289,17 @@ void halftone_line_callback(void * ptr, int which ATTRIBUTE_UNUSED,
sqx = (xx + ox) % 16; sqx = (xx + ox) % 16;
sqy = (yy + oy) % 16; sqy = (yy + oy) % 16;
if (api->in_circle(xxx - 4, yyy - 4, cmyk[channel] * 6.0)) { if (api->in_circle(xxx - 4, yyy - 4, cmyk[channel] * 6.0))
{
SDL_GetRGB(api->getpixel(square, sqx, sqy), square->format, &or, &og, &ob); SDL_GetRGB(api->getpixel(square, sqx, sqy), square->format, &or, &og, &ob);
if (or == 255 && og == 255 && ob == 255) { if (or == 255 && og == 255 && ob == 255)
{
/* If it's just white, put full color down */ /* If it's just white, put full color down */
pixel = SDL_MapRGB(square->format, r, g, b); pixel = SDL_MapRGB(square->format, r, g, b);
} else { }
else
{
/* Otherwise, blend a little */ /* Otherwise, blend a little */
pixel = SDL_MapRGB(square->format, (r + or) / 2, (g + og) / 2, (b + ob) / 2); pixel = SDL_MapRGB(square->format, (r + or) / 2, (g + og) / 2, (b + ob) / 2);
} }
@ -303,14 +318,17 @@ void halftone_line_callback(void * ptr, int which ATTRIBUTE_UNUSED,
SDL_BlitSurface(square, NULL, canvas, &dest); SDL_BlitSurface(square, NULL, canvas, &dest);
} }
void halftone_switchin(magic_api * api, int which ATTRIBUTE_UNUSED, void halftone_switchin(magic_api * api, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas)
int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas)
{ {
if (canvas_backup == NULL) if (canvas_backup == NULL)
canvas_backup = SDL_CreateRGBSurface(SDL_ANYFORMAT, api->canvas_w, api->canvas_h, canvas->format->BitsPerPixel, canvas->format->Rmask, canvas->format->Gmask, canvas->format->Bmask, canvas->format->Amask); canvas_backup =
SDL_CreateRGBSurface(SDL_ANYFORMAT, api->canvas_w, api->canvas_h, canvas->format->BitsPerPixel,
canvas->format->Rmask, canvas->format->Gmask, canvas->format->Bmask, canvas->format->Amask);
if (square == NULL) if (square == NULL)
square = SDL_CreateRGBSurface(SDL_ANYFORMAT, 16, 16, canvas->format->BitsPerPixel, canvas->format->Rmask, canvas->format->Gmask, canvas->format->Bmask, canvas->format->Amask); square =
SDL_CreateRGBSurface(SDL_ANYFORMAT, 16, 16, canvas->format->BitsPerPixel, canvas->format->Rmask,
canvas->format->Gmask, canvas->format->Bmask, canvas->format->Amask);
/* FIXME: What to do if they come back NULL!? :( */ /* FIXME: What to do if they come back NULL!? :( */